Storage stool



FIG. 1 is a first perspective view of a storage stool showing our new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is an exploded view of the storage stool in a collapsed state;

FIG. 10 is another exploded view of the storage stool of FIG. 1 ;

FIG. 11 is another exploded view thereof;

FIG. 12 is an enlarged view of the selected portion 12 in FIG. 1 ;

FIG. 13 is an enlarged view of the selected portion 13 in FIG. 1 ; and,

FIG. 14 is an enlarged view of the selected portion 14 in FIG. 2 .

The broken lines shown in the drawings depict portions of the storage stool that form no part of the claimed design. The dot-dash-dot broken lines in FIGS. 1, 2, 12, 13, and 14 depict the boundaries of the enlargements that form no part of the claimed design. 

CLAIM The ornamental design for a storage stool, as shown and described. 